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2 Calculează:
a) 63: 9 + 25 =
b) 32 + 35 : 5 =
c) 18:6 +81:9=
d) 10 + 10:10 + 10 - 10 =
e) 4-4:4+4 x 4 =
f) (2 + 2) 2:2-(2 + 2) =​